Control of multiple filamentation in air

Gadi Fibich*, Shmuel Eisenmann, Boaz Ilan, Arie Zigler

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

152 Scopus citations


In this Letter we provide what is believed to be the first experimental evidence of suppression of the number of filaments for high-intensity laser pulses propagating in air by beam astigmatism. We also show that the number, pattern, and spatial stability of the filaments can be controlled by varying the angle that a focusing lens makes with the axial direction of propagation. This new methodology can be useful for applications involving atmospheric propagation, such as remote sensing.

Original languageEnglish
Pages (from-to)1772-1774
Number of pages3
JournalOptics Letters
Issue number15
StatePublished - 1 Aug 2004


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